failed 是 fail 的過去式failKK [ˋfel] /ˈfeɪl/動詞1失敗、不成功The negotiations failed after only two days of talks.談判才進行兩天就失敗了。2沒能、未做到接不定詞He failed to mention that the apartment had no heating.他沒提到那間公寓沒有暖氣。3不及格、當掉She failed the final exam and had to retake the course.她期末考不及格，必須重修那門課。4讓⋯失望、背棄I feel like I've failed my family in some way.我覺得自己在某方面讓家人失望了。5故障、失靈The brakes failed as the truck came down the hill.卡車下坡時煞車失靈。顯示全部 10 個義項動詞6衰退、衰竭His eyesight is failing, so he no longer drives at night.他的視力日漸衰退，已經不在晚上開車了。7倒閉、破產Several small banks failed during the financial crisis.金融危機期間有好幾家小銀行倒閉。名詞1失敗、出糗口語His attempt at baking a cake was a total fail.他試著烤蛋糕，結果徹底失敗。2不及格Two fails on the same paper means you repeat the year.同一科不及格兩次就要重讀一年。片語1必定、一定用於 without failShe calls her grandmother every Sunday without fail.她每個星期天一定打電話給奶奶。